Outside surface treatment is zinc.
A flexible, tubular item having a metallic tube inner conveying surface. It may have one or more reinforcement layers of a metallic or nonmetallic material. It is designed to convey gasses, liquids, solids, or sound waves. For items with fittings on one or both ends, see hose assembly, metallic. For items used to protect electrical wires or cables, see conduit, raceway (as modified).
NSN 6620-00-229-2728
NSN 5975-00-518-0780
NSN 5996-01-348-4046
NSN 5835-01-619-6268
NSN 5975-01-605-3356
NSN 6645-01-202-7986
NSN 5998-01-127-5879
NSN 2925-01-244-3016
NSN 5895-00-736-8814
NSN 7035-01-524-3902
NSN 6130-01-067-9383
NSN 6220-00-025-3194